... and adjustable with 5 strong LED lights,contactless,folding,lightweighted,portable,powerfuf sensitivity degree,USB power supply,no extral AC ... power required. 2.Scanning target: file,book,magzine,bill,photo,picture,documnet, real object,etc. 3.Scanning size: A4 ... paper jamming problem which frequently happens with sheet-fed document scanners. Its real-time scanning function makes it possible to ...